Osteoarthritic infrapatellar fat pad aggravates cartilage degradation via activation of p38MAPK and ERK1/2 pathways

Zuoqing Zhou, Su’an Tang, Xiaoyu Nie, Yiqun Zhang, Delong Li, Yang Zhao, Yumei Cao, Jianwen Yin, Tianyu Chen, Guangfeng Ruan, Zhaohua Zhu, Xiaochun Bai, Weiyu Han, Changhai Ding